local helper = require("kyoh86.plug.ddu.helper")

---@type LazySpec
local spec = {
  "Shougo/ddu-ui-ff",
  dependencies = { "Shougo/ddu.vim" },
  config = function()
    kyoh86.ensure("momiji", function(m)
      -- local m = require("momiji")
      vim.api.nvim_set_hl(0, "dduFilter", {
        fg = m.colors.lightgreen,
        bg = m.colors.black,
        bold = true,
        underline = true,
        italic = true,
      })

      vim.api.nvim_set_hl(0, "dduCursorLine", { bg = m.colors.lightgreen, fg = m.colors.black, bold = true })

      vim.api.nvim_set_hl(0, "dduPrompt", {
        fg = m.colors.lightgreen,
        bg = m.colors.black,
      })
      vim.api.nvim_set_hl(0, "dduBorder", {
        fg = m.colors.lightgreen,
      })
    end, function()
      vim.api.nvim_set_hl(0, "dduFilter", { link = "Normal" })
      vim.api.nvim_set_hl(0, "dduPrompt", { link = "Normal" })
      vim.api.nvim_set_hl(0, "dduBorder", { link = "Normal" })
    end)

    kyoh86.fa.ddu.custom.patch_global({
      ui = "ff",
      uiParams = {
        ff = {
          split = "floating",
          floatingBorder = "rounded",
          prompt = "▶ ",
          highlights = {
            filterText = "dduFilter",
            floating = "Normal",
            floatingCursorLine = "dduCursorLine",
            floatingBorder = "dduBorder",
            prompt = "dduPrompt",
          },

          autoAction = {
            name = "preview",
          },
          previewFloating = true,
          previewFloatingBorder = "single",
          previewSplit = "vertical",
          previewFloatingTitle = "Preview",
          previewWindowOptions = {
            { "&signcolumn", "no" },
            { "&foldcolumn", 0 },
            { "&foldenable", 0 },
            { "&number", 0 },
            { "&wrap", 0 },
            { "&scrolloff", 0 },
          },
        },
      },
    })

    local function resize()
      local lines = vim.opt.lines:get()
      -- row = 'lines' minus below / 2
      -- WINBAR LINE = 1
      -- MESSAGE LINE = 1
      -- STATUS LINE = 1
      -- FLOAT LINE = 20
      local row = math.floor((lines - 23) * 0.5)
      local columns = vim.opt.columns:get()
      local width, col = math.floor(columns * 0.8), math.floor(columns * 0.1)
      local winWidth = math.floor(width / 2)

      kyoh86.fa.ddu.custom.patch_global({
        uiParams = {
          ff = {
            winRow = row,
            winWidth = winWidth,
            winCol = col,
            previewRow = row,
            previewWidth = winWidth,
            previewCol = col + winWidth,
          },
        },
      })
    end
    resize()

    local group = vim.api.nvim_create_augroup("kyoh86-plug-ddu-ui-ff", { clear = true })
    vim.api.nvim_create_autocmd("VimResized", {
      group = group,
      callback = resize,
    })
    vim.api.nvim_create_autocmd("FileType", {
      group = group,
      pattern = "ddu-ff",
      callback = function()
        local nmap = function(lh, rh)
          vim.keymap.set("n", lh, rh, { nowait = true, buffer = true, silent = true, remap = false })
        end
        nmap("<c-w>", "<nop>")
        nmap("<c-o>", "<nop>")
        nmap("<c-j>", "<nop>")
        nmap(":", "<nop>")
        nmap("t", "<nop>")
        nmap(";", ":")

        nmap("/", helper.action("openFilterWindow"))
        nmap("<esc>", helper.action("quit"))
        nmap("<cr>", helper.action("itemAction"))
        nmap(">", helper.action("expandItem"))
        nmap("+", helper.action("chooseAction"))
      end,
    })

    vim.api.nvim_create_autocmd("FileType", {
      group = group,
      pattern = "ddu-ff-filter",
      callback = function()
        vim.opt_local.cursorline = false
        vim.keymap.set("i", "<esc>", "<esc>dd<cmd>call ddu#ui#do_action('closeFilterWindow')<cr>", { buffer = true, silent = true, remap = false })
        vim.keymap.set("i", "<cr>", "<esc><cmd>call ddu#ui#do_action('leaveFilterWindow')<cr>", { buffer = true, silent = true, remap = false })
      end,
    })
  end,
}
return spec